1 /*
2  * Copyright (C) 2017 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef ANDROID_HARDWARE_CAMERA_DEVICE_V3_3_CAMERADEVICE3SESSION_H
18 #define ANDROID_HARDWARE_CAMERA_DEVICE_V3_3_CAMERADEVICE3SESSION_H
19 
20 #include <android/hardware/camera/device/3.2/ICameraDevice.h>
21 #include <android/hardware/camera/device/3.3/ICameraDeviceSession.h>
22 #include <../../3.2/default/CameraDeviceSession.h>
23 #include <fmq/MessageQueue.h>
24 #include <hidl/MQDescriptor.h>
25 #include <hidl/Status.h>
26 #include <include/convert.h>
27 #include <deque>
28 #include <map>
29 #include <unordered_map>
30 #include "CameraMetadata.h"
31 #include "HandleImporter.h"
32 #include "hardware/camera3.h"
33 #include "hardware/camera_common.h"
34 #include "utils/Mutex.h"
35 
36 namespace android {
37 namespace hardware {
38 namespace camera {
39 namespace device {
40 namespace V3_3 {
41 namespace implementation {
42 
43 using namespace ::android::hardware::camera::device;
44 using ::android::hardware::camera::device::V3_2::CaptureRequest;
45 using ::android::hardware::camera::device::V3_2::StreamConfiguration;
46 using ::android::hardware::camera::device::V3_3::HalStreamConfiguration;
47 using ::android::hardware::camera::device::V3_3::ICameraDeviceSession;
48 using ::android::hardware::camera::common::V1_0::Status;
49 using ::android::hardware::camera::common::V1_0::helper::HandleImporter;
50 using ::android::hardware::kSynchronizedReadWrite;
51 using ::android::hardware::MessageQueue;
52 using ::android::hardware::MQDescriptorSync;
53 using ::android::hardware::Return;
54 using ::android::hardware::Void;
55 using ::android::hardware::hidl_vec;
56 using ::android::hardware::hidl_string;
57 using ::android::sp;
58 using ::android::Mutex;
59 
60 struct CameraDeviceSession : public V3_2::implementation::CameraDeviceSession {
61 
62     CameraDeviceSession(camera3_device_t*,
63             const camera_metadata_t* deviceInfo,
64             const sp<V3_2::ICameraDeviceCallback>&);
65     virtual ~CameraDeviceSession();
66 
getInterfaceCameraDeviceSession67     virtual sp<V3_2::ICameraDeviceSession> getInterface() override {
68         return new TrampolineSessionInterface_3_3(this);
69     }
70 
71 protected:
72     // Methods from v3.2 and earlier will trampoline to inherited implementation
73 
74     // New methods for v3.3
75 
76     Return<void> configureStreams_3_3(
77             const StreamConfiguration& requestedConfiguration,
78             ICameraDeviceSession::configureStreams_3_3_cb _hidl_cb);
79 private:
80 
81     struct TrampolineSessionInterface_3_3 : public ICameraDeviceSession {
TrampolineSessionInterface_3_3CameraDeviceSession::TrampolineSessionInterface_3_382         TrampolineSessionInterface_3_3(sp<CameraDeviceSession> parent) :
83                 mParent(parent) {}
84 
constructDefaultRequestSettingsCameraDeviceSession::TrampolineSessionInterface_3_385         virtual Return<void> constructDefaultRequestSettings(
86                 V3_2::RequestTemplate type,
87                 V3_3::ICameraDeviceSession::constructDefaultRequestSettings_cb _hidl_cb) override {
88             return mParent->constructDefaultRequestSettings(type, _hidl_cb);
89         }
90 
configureStreamsCameraDeviceSession::TrampolineSessionInterface_3_391         virtual Return<void> configureStreams(
92                 const V3_2::StreamConfiguration& requestedConfiguration,
93                 V3_3::ICameraDeviceSession::configureStreams_cb _hidl_cb) override {
94             return mParent->configureStreams(requestedConfiguration, _hidl_cb);
95         }
96 
processCaptureRequestCameraDeviceSession::TrampolineSessionInterface_3_397         virtual Return<void> processCaptureRequest(const hidl_vec<V3_2::CaptureRequest>& requests,
98                 const hidl_vec<V3_2::BufferCache>& cachesToRemove,
99                 V3_3::ICameraDeviceSession::processCaptureRequest_cb _hidl_cb) override {
100             return mParent->processCaptureRequest(requests, cachesToRemove, _hidl_cb);
101         }
102 
getCaptureRequestMetadataQueueCameraDeviceSession::TrampolineSessionInterface_3_3103         virtual Return<void> getCaptureRequestMetadataQueue(
104                 V3_3::ICameraDeviceSession::getCaptureRequestMetadataQueue_cb _hidl_cb) override  {
105             return mParent->getCaptureRequestMetadataQueue(_hidl_cb);
106         }
107 
getCaptureResultMetadataQueueCameraDeviceSession::TrampolineSessionInterface_3_3108         virtual Return<void> getCaptureResultMetadataQueue(
109                 V3_3::ICameraDeviceSession::getCaptureResultMetadataQueue_cb _hidl_cb) override  {
110             return mParent->getCaptureResultMetadataQueue(_hidl_cb);
111         }
112 
flushCameraDeviceSession::TrampolineSessionInterface_3_3113         virtual Return<Status> flush() override {
114             return mParent->flush();
115         }
116 
closeCameraDeviceSession::TrampolineSessionInterface_3_3117         virtual Return<void> close() override {
118             return mParent->close();
119         }
120 
configureStreams_3_3CameraDeviceSession::TrampolineSessionInterface_3_3121         virtual Return<void> configureStreams_3_3(
122                 const StreamConfiguration& requestedConfiguration, configureStreams_3_3_cb _hidl_cb) override {
123             return mParent->configureStreams_3_3(requestedConfiguration, _hidl_cb);
124         }
125 
126     private:
127         sp<CameraDeviceSession> mParent;
128     };
129 };
130 
131 }  // namespace implementation
132 }  // namespace V3_3
133 }  // namespace device
134 }  // namespace camera
135 }  // namespace hardware
136 }  // namespace android
137 
138 #endif  // ANDROID_HARDWARE_CAMERA_DEVICE_V3_3_CAMERADEVICE3SESSION_H
139